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LG Optimus 4X HD P880 vs Infinix Hot 40i

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)  
Dimensions 132.4 x 68.1 x 8.9 mm 163.6 x 75.6 x 8.3 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 133 g 190 g  
Display Type True HD-IPS LCD capacitive touchscreen, 16M colors, Multi-touch, Optimus UI v3.0 IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   90Hz, 480 nits (peak)  
Display Size 6.6 Inches   720 x 1612 Pixels (~269 PPI)  
Protection Corning Gorilla Glass 2
Memory 16 GB built-in 128GB Built-in, 4GB RAM (+4GB virtual RAM)  
Card slot microSDXC (dedicated slot)  
RAM 1GB RAM
GPRS Yes Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth Bluetooth v4.0 with A2DP v5.1 with A2DP, LE  
USB USB USB Type-C 2.0, OTG  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 8MP, 3264x2448 pixels, autofocus, LED flash, Geo-tagging, face and smile detection, photo sphere, image stabilization, Video (30fps), 2ndary 1.3MP Dual Camera: 50 MP, f/1.6, (wide), AF + 0.08 MP, (auxiliary lens), Quad LED Flash   HDR, Panorama, Video (1080p@30fps)  
Front Camera 32 MP, f/2.2, (wide), Dual LED Flash, Video (1080p@30fps)  
OS Android OS, v4.0 (Ice Cream Sandwich) Android 13 OS  
Chipset Unisoc T606 (12 nm)  
Processor Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 chipset Octa-core (2 x 1.6 GHz Cortex-A75 + 6 x 1.6 GHz Cortex-A55)  
GPU Mali-G57 MP1  
Sensors Accelerometer, Compass, Fingerprint (side-mounted), Proximity  
Browser HTML5, Adobe Flash HTML5  
Sound Stereo FM Radio, 3.5mm jack, DivX/Xvid/MP4/DivX/XviD/H.264/H.263 player, MP3/WAV/WMA/eAAC+ player, Google Search, Maps, Gmail, YouTube, Google Talk, Picasa, Games (built-in) 3.5mm Audio Jack, 24-bit/192kHz audio, Speaker Phone  
Colors Black, White Starlit Black, Palm Blue, Horizon Gold, Starfall Green  
Battery Stand-by Up to 730 h (Li-ion Non removable), 5000 mAh   - Fast charging 18W wired, Reverse wired  
StandBy Time Stand-by Up to 730 h
Misc GPS + A-GPS support, SNS integration, Active noise cancellation with dedicated mic, Document viewer (Word, Excel, PowerPoint, PDF), Organizer, Voice memo, Speakerphone SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, plastic frame, plastic back, Photo/video editor, Document viewer